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Finding the Fourth Proportional to 252,056.87, 347,834.10 and 137,336.47

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Solution

The fourth proportional to 252,056.87, 347,834.10 and 137,336.47 is: 189,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,056.87 : 347,834.10 = 137,336.47 : x
  2. Step 2: Convert to fraction form
    252,056.87/347,834.10 = 137,336.47/x
  3. Step 3: Cross multiply
    252,056.87x = 347,834.10 × 137,336.47
  4. Step 4: Simplify right side
    252,056.87x = 47,770,305,700.46
  5. Step 5: Solve for x
    x = 47,770,305,700.46/252,056.87
  6. Step 6: Final answer
    x = 189,521.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.